Answer:
What are you asking?
Step-by-step explanation:
For this case, the first thing we must do is define variables.
We have then:
x: number of pens
y: number of pencils
We now write the system of inequations:

The solution to the system of inequations is given by the shaded region.
Note: see attached image.
Answer:
B
Step-by-step explanation:
break in down to a simplier...
2.5x40=100
20 goes into 50 twice leaving 10 left over which is half of 20.
hope this helps
C. It is always a rational number. You cannot determine its sign without knowing the values of a and b.
It’s 35 and 23 and also it can be mans at the the cakes